// For flags

CVE-2014-3523

httpd: WinNT MPM denial of service

Severity Score

7.5
*CVSS v3

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

Memory leak in the winnt_accept function in server/mpm/winnt/child.c in the WinNT MPM in the Apache HTTP Server 2.4.x before 2.4.10 on Windows, when the default AcceptFilter is enabled, allows remote attackers to cause a denial of service (memory consumption) via crafted requests.

Fuga de memoria en la función winnt_accept en server/mpm/winnt/child.c en el MPM WinNT en Apache HTTP Server 2.4.x anterior a 2.4.10 en Windows, cuando el AcceptFilter por defecto está habilitado, permite a atacantes remotos causar una denegación de servicio (consumo de memoria) a través de solicitudes manipuladas.

*Credits: N/A
CVSS Scores
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High
Attack Vector
Network
Attack Complexity
Low
Authentication
None
Confidentiality
None
Integrity
None
Availability
Partial
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2014-05-14 CVE Reserved
  • 2014-07-20 CVE Published
  • 2024-08-06 CVE Updated
  • 2024-09-05 EPSS Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-399: Resource Management Errors
CAPEC
References (23)
URL Tag Source
http://svn.apache.org/viewvc/httpd/httpd/trunk/server/mpm/winnt/child.c X_refsource_confirm
http://svn.apache.org/viewvc/httpd/httpd/trunk/server/mpm/winnt/child.c?r1=1608785&r2=1610652&diff_format=h X_refsource_confirm
http://www.securityfocus.com/bid/68747 Vdb Entry
https://lists.apache.org/thread.html/56c2e7cc9deb1c12a843d0dc251ea7fd3e7e80293cde02fcd65286ba%40%3Ccvs.httpd.apache.org%3E Mailing List
https://lists.apache.org/thread.html/84a3714f0878781f6ed84473d1a503d2cc382277e100450209231830%40%3Ccvs.httpd.apache.org%3E Mailing List
https://lists.apache.org/thread.html/r476d175be0aaf4a17680ef98c5153b4d336eaef76fb2224cc94c463a%40%3Ccvs.httpd.apache.org%3E Mailing List
https://lists.apache.org/thread.html/r76142b8c5119df2178be7c2dba88fde552eedeec37ea993dfce68d1d%40%3Ccvs.httpd.apache.org%3E Mailing List
https://lists.apache.org/thread.html/r83109088737656fa6307bd99ab40f8ff0269ae58d3f7272d7048494a%40%3Ccvs.httpd.apache.org%3E Mailing List
https://lists.apache.org/thread.html/r9821b0a32a1d0a1b4947abb6f3630053fcbb2ec905d9a32c2bd4d4ee%40%3Ccvs.httpd.apache.org%3E Mailing List
https://lists.apache.org/thread.html/r9f93cf6dde308d42a9c807784e8102600d0397f5f834890708bf6920%40%3Ccvs.httpd.apache.org%3E Mailing List
https://lists.apache.org/thread.html/ra7f6aeb28661fbf826969526585f16856abc4615877875f9d3b35ef4%40%3Ccvs.httpd.apache.org%3E Mailing List
https://lists.apache.org/thread.html/rc998b18880df98bafaade071346690c2bc1444adaa1a1ea464b93f0a%40%3Ccvs.httpd.apache.org%3E Mailing List
https://lists.apache.org/thread.html/rcc44594d4d6579b90deccd4536b5d31f099ef563df39b094be286b9e%40%3Ccvs.httpd.apache.org%3E Mailing List
https://lists.apache.org/thread.html/rd18c3c43602e66f9cdcf09f1de233804975b9572b0456cc582390b6f%40%3Ccvs.httpd.apache.org%3E Mailing List
https://lists.apache.org/thread.html/rd336919f655b7ff309385e34a143e41c503e133da80414485b3abcc9%40%3Ccvs.httpd.apache.org%3E Mailing List
https://lists.apache.org/thread.html/re3d27b6250aa8548b8845d314bb8a350b3df326cacbbfdfe4d455234%40%3Ccvs.httpd.apache.org%3E Mailing List
https://lists.apache.org/thread.html/rf6449464fd8b7437704c55f88361b66f12d5b5f90bcce66af4be4ba9%40%3Ccvs.httpd.apache.org%3E Mailing List
URL Date SRC
URL Date SRC
http://httpd.apache.org/security/vulnerabilities_24.html 2023-11-07
URL Date SRC
http://marc.info/?l=bugtraq&m=143748090628601&w=2 2023-11-07
http://marc.info/?l=bugtraq&m=144050155601375&w=2 2023-11-07
http://rhn.redhat.com/errata/RHSA-2016-2957.html 2023-11-07
https://access.redhat.com/security/cve/CVE-2014-3523 2016-12-15
https://bugzilla.redhat.com/show_bug.cgi?id=1121519 2016-12-15
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Apache
Search vendor "Apache"
 Http Server
Search vendor "Apache" for product "Http Server"
 2.4.1
Search vendor "Apache" for product "Http Server" and version "2.4.1"
-
Affected
in Microsoft
Search vendor "Microsoft"
 Windows
Search vendor "Microsoft" for product "Windows"
*-
Safe
Apache
Search vendor "Apache"
 Http Server
Search vendor "Apache" for product "Http Server"
 2.4.2
Search vendor "Apache" for product "Http Server" and version "2.4.2"
-
Affected
in Microsoft
Search vendor "Microsoft"
 Windows
Search vendor "Microsoft" for product "Windows"
*-
Safe
Apache
Search vendor "Apache"
 Http Server
Search vendor "Apache" for product "Http Server"
 2.4.3
Search vendor "Apache" for product "Http Server" and version "2.4.3"
-
Affected
in Microsoft
Search vendor "Microsoft"
 Windows
Search vendor "Microsoft" for product "Windows"
*-
Safe
Apache
Search vendor "Apache"
 Http Server
Search vendor "Apache" for product "Http Server"
 2.4.4
Search vendor "Apache" for product "Http Server" and version "2.4.4"
-
Affected
in Microsoft
Search vendor "Microsoft"
 Windows
Search vendor "Microsoft" for product "Windows"
*-
Safe
Apache
Search vendor "Apache"
 Http Server
Search vendor "Apache" for product "Http Server"
 2.4.6
Search vendor "Apache" for product "Http Server" and version "2.4.6"
-
Affected
in Microsoft
Search vendor "Microsoft"
 Windows
Search vendor "Microsoft" for product "Windows"
*-
Safe
Apache
Search vendor "Apache"
 Http Server
Search vendor "Apache" for product "Http Server"
 2.4.7
Search vendor "Apache" for product "Http Server" and version "2.4.7"
-
Affected
in Microsoft
Search vendor "Microsoft"
 Windows
Search vendor "Microsoft" for product "Windows"
*-
Safe
Apache
Search vendor "Apache"
 Http Server
Search vendor "Apache" for product "Http Server"
 2.4.8
Search vendor "Apache" for product "Http Server" and version "2.4.8"
-
Affected
in Microsoft
Search vendor "Microsoft"
 Windows
Search vendor "Microsoft" for product "Windows"
*-
Safe
Apache
Search vendor "Apache"
 Http Server
Search vendor "Apache" for product "Http Server"
 2.4.9
Search vendor "Apache" for product "Http Server" and version "2.4.9"
-
Affected
in Microsoft
Search vendor "Microsoft"
 Windows
Search vendor "Microsoft" for product "Windows"
*-
Safe